Washington earthquakes

M2.1 earthquake 3 km SW of Three Lakes, Washington

A magnitude 2.1 earthquake struck 3 km SW of Three Lakes, Washington on Sat, Apr 20, 1974, 2:02 PM PDT (21:02 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M4.0 8 km ESE of Jamestown, Washington. This one was a foreshock.

Three Lakes forecastMore in Washington

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.1 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1974-04-20 21:02:59 UTC
Depth
9.3 km (5.8 mi), shallow
Epicenter
47.925° N, 122.045° W
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.6 km horizontally, 6.4 km in depth
Magnitude uncertainty
±0.12
Depth from
Operator assigned
Station coverage gap
149°
Stations used
7

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 25 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 1.50 km WNW of Maple Valley, Washington · 19158 days ago · 2 km deep · 59 km away
  2. 1.65 km WSW of Wilderness Rim, Washington · 19158 days ago · 16 km deep · 57 km away
  3. 1.60 km ENE of Edmonds, Washington · 19157 days ago · 8 km deep · 27 km away
  4. 1.60 km E of White Center, Washington · 19153 days ago · 23 km deep · 51 km away
  5. 1.60 km WNW of Bangor Trident Base, Washington · 19151 days ago · 17 km deep · 55 km away
  6. 1.67 km NW of Belfair, Washington · 19134 days ago · 13 km deep · 80 km away
  7. 1.811 km NNE of Darrington, Washington · 19133 days ago · 2 km deep · 61 km away
  8. 4.08 km ESE of Jamestown, Washington · 19132 days ago · 48 km deep · 72 km away
  9. 2.117 km NE of Snoqualmie, Washington · 19129 days ago · 3 km deep · 43 km away
  10. 1.64 km SW of Wilderness Rim, Washington · 19127 days ago · 21 km deep · 58 km away
  11. 1.93 km SW of Wilderness Rim, Washington · 19127 days ago · 18 km deep · 58 km away
  12. 3.03 km WSW of Ravensdale, Washington · 19126 days ago · 18 km deep · 65 km away
  13. 1.93 km NE of Maple Heights-Lake Desire, Washington · 19124 days ago · 11 km deep · 51 km away
  14. 2.22 km WNW of Hobart, Washington · 19124 days ago · 15 km deep · 55 km away
  15. 3.34 km SE of Lake Roesiger, Washington · 19124 days ago · 17 km deep · 12 km away
  16. 1.94 km SE of Lake Roesiger, Washington · 19124 days ago · 11 km deep · 12 km away
  17. 1.52 km SSE of Lake Roesiger, Washington · 19123 days ago · 14 km deep · 11 km away
  18. 1.70 km E of Ravensdale, Washington · 19122 days ago · 16 km deep · 64 km away
  19. 1.61 km SSW of Ravensdale, Washington · 19122 days ago · 18 km deep · 65 km away
  20. 1.61 km SSE of Seattle, Washington · 19113 days ago · 5 km deep · 42 km away
  21. 2.04 km WSW of Seattle, Washington · 19113 days ago · 2 km deep · 46 km away
  22. 1.73 km SW of Seattle, Washington · 19112 days ago · 3 km deep · 45 km away
  23. 1.93 km NE of Quilcene, Washington · 19108 days ago · 17 km deep · 60 km away
  24. 1.90 km SW of Lakeland South, Washington · 19103 days ago · 8 km deep · 74 km away
  25. 1.94 km SW of Wilderness Rim, Washington · 19099 days ago · 17 km deep · 60 km away

Before

  1. 1.51 km N of Seattle, Washington · 19167 days ago · -1 km deep · 40 km away
  2. 2.30 km NE of Seattle, Washington · 19168 days ago · -1 km deep · 41 km away
  3. 2.01 km WSW of Mercer Island, Washington · 19171 days ago · 0 km deep · 43 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10858498. Read Fri, Oct 2, 2026, 7:34 PM UTC.